CSI with Quantizer Selection for Video Coding

Konferenz: ISTET 2009 - VXV International Symposium on Theoretical Engineering
22.06.2009 - 24.06.2009 in Lübeck, Germany

Tagungsband: ISTET 2009

Seiten: 5Sprache: EnglischTyp: PDF

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Wang, Lung-Jen (National Pingtung Institute of Commerce, Taiwan)
Truong, Trieu-Kien (I-Shou University, Taiwan)

The cubic-spline interpolation (CSI) yields a very accurate algorithm for decimation and interpolation processes. In this paper, it is shown that the CSI scheme can be used with quantizer selection to reduce the blocking effects of MPEG-4 decompressed image. Furthermore, the quantizer selection based on the rate-distortion optimization algorithm can generate an adaptive quantization for the CSI scheme. Finally, the proposed algorithm can achieve a better subjective and objective performance than that of the standard MPEG-4 algorithm for video coding.